Arrowtown, New Zealand, is a quaint town steeped in gold rush history, nestled along the Arrow River in the Otago region. The town’s heritage buildings, many carefully preserved from the 19th century, offer a glimpse into its past as a thriving mining settlement.

Tunis' white-washed, blue-shuttered buildings hide a treasure trove of Arabic and Ottoman art. Inspect illuminated manuscripts from the Koran, follow the twists and turns of the fascinating old Medina (inner city), marvel at the ornate Palace of Dar Ben Abduallah and the magnificent Djamaa-Ez-Zitouna Mosque, whose 184 columns were "recycled" from the rocky ruins of Carthage.

The city of Santa Cruz De Tenerife, located on the island of Tenerife, is a favorite stop for Transatlantic voyagers. Tenerife is both the largest and most populated of the seven Canary Islands and of Spain itself. As the island's main city, Santa Cruz De Tenerife is home to almost half of the island's population.

Nestled along the south bank of the Danube, this historical Austrian city bursts with charm. A favorite stop on European river cruises, the city's most famous attraction is Melk Abbey, which dates back to the 11th century. The original Benedictine structure was lost to fires and foreign invasion, then rebuilt during the 18th century in lavish Baroque style, including a library and inner church covered in magnificent frescoes and gilded fixtures.

Amarante, located in Portugal’s northern region of Tâmega e Sousa, sits quietly along the banks of the Tâmega River, framed by stone bridges, historic churches, and lush hills. The city is best known for its connection to São Gonçalo, a 13th-century monk whose name now graces the arched bridge and the grand convent-church that stands beside it.